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 KS D 3503, 3515/3502
표준단면치수
Standard Sectional
Dimension (mm)
단면적
Sectional Area(㎝²)
단위중량
Unit Weight
(㎏/m)
단면2차모멘트
Moment of Inertia
(㎝⁴)
단면2차변경
Radius of Gyration (㎝)
단면계수
Modulus of Section(㎝³)
HxB A W lx ly ix iy Zx Zy
75x40 5 7 8 4 8.818 6.92 75.3 12.2 2.92 1.17 20.1 4.47
100x50 5 7.5 8 4 11.92 9.36 188 26.0 3.97 1.48 37.6 7.52
125x65 6 8 8 4 17.11 13.40 424 61.8 4.98 1.90 67.8 13.4
150x75 6.5 10 10 5 23.71 18.6 861 117 6.03 2.22 115 22.4
200x80 7.5 11 12 6 31.33 24.6 1.950 168 7.88 2.32 195 29.1
200x90 8 13.5 14 7 38.65 30.3 2.490 277 8.02 2.68 249 44.2
250x90 9 13 14 7 44.07 34.6 4.180 294 9.74 2.58 334 44.5
300x90 9 13 14 7 48.57 38.1 6.440 309 11.5 2.52 429 45.7
380x100 10.5 16 18 9 69.69 54.5 14.500 535 14.5 2.78 763 70.5
380x100 13 20 24 12 85.71 67.3 17.600 655 14.3 2.76 926 87.8
 
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